GLY1102 Topic 24

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question
Stegosaurus has never been found buried in the same deposit as Allosaurus.
answer
False
question
The pairs of terminal tail spines and the pointed parascapular spines in other stegosaurus seem to have been the main means of defense.
answer
True
question
Scutellosaurus is considered a primitive thyreophoran partially because it has a large number of keeled osteoscutes.
answer
True
question
Stegosaurus had osteoderms/osteocutes covering portions of its neck.
answer
True
question
Kentrosaurus has a large hollow in two sacral vertebrae that has been mistakenly interpreted as the location of a second brain.
answer
True
question
Which of the following is considered to represent the base of the thyreophoran family tree?
answer
Scutellosaurus
question
The Thyreophora is a clade of ornithischian dinosaurs.
answer
True
question
The ____ have one or more rows of armored plates (or osteoscutes) set in the skin above or along the vertebral column and a post-orbital process of the jugal bone expanded transversely.
answer
Stegosauria
question
The Stegosauria have been found only in North America.
answer
False
question
The only Stegosaur to have remains indicating some herding behavior is ____.
answer
Kentrosaurus
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The osteoscutes of stegosaurus were attached directly to the skeleton fixing them rigidly in place.
answer
False
question
Which statement about Stegosaurus is false?
answer
It has a high skull
question
This Asian stegosaur is the type of genus of the family bearing its name and has a spike-shaped armor along the body midline and rows of armor plates along each side of the spike row.
answer
Huayangosaurus
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The plates of Stegosaurus are aligned in a single row along the midline.
answer
False
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Stegosaurs first appeared during Late Jurassic.
answer
False
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None of the Stegosauridae family have plate-like osteoderms across the back, sacrum, and tail.
answer
False
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Which of these Stegosauria is the smallest?
answer
Scutellosaurus
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Huayangosaurus had osteoscutes that were embedded in the skin, forming rows from the head to the tail, arranged primarily on the upper flanks.
answer
False
question
Scutellosaurus and Scelidosaurus are primitive thyreophora from the Lower Jurassic possessing parallel rows of keeled dermal armor scutes along the back surface of the body.
answer
True
question
Which of the following groups did the fewest number of species represent?
answer
The stegosaurs
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